| 10/11/20 | 13:07:44 | 10 Nov 2020 | | Results of Requisitioned GM held on 10 Nov 2020 | RNS |
| 10/11/20 | 08:43:36 | 10 Nov 2020 | | Resignations of Joint Brokers | RNS |
| 09/11/20 | 16:37:05 | 9 Nov 2020 | | Price Monitoring Extension | RNS |
| 09/11/20 | 15:01:03 | 9 Nov 2020 | | Receipt of letter from GMS’ lending banks | RNS |
| 09/11/20 | 07:00:12 | 9 Nov 2020 | | Seafox, Horizon and Mazrui vote for Board changes | RNS |
| 06/11/20 | 07:00:02 | 6 Nov 2020 | | Trading Update | RNS |
| 28/10/20 | 07:00:03 | 28 Oct 2020 | | Shareholder Circular and Notice of General Meeting | RNS |
| 27/10/20 | 13:37:32 | 27 Oct 2020 | | Results of General Meeting held on 27 October 2020 | RNS |
| 16/10/20 | 17:44:40 | 16 Oct 2020 | | Seafox votes against warrant issuance | RNS |
| 13/10/20 | 07:00:02 | 13 Oct 2020 | | Publication of Shareholder Circular & Notice of GM | RNS |
| 08/10/20 | 07:00:05 | 8 Oct 2020 | | Implications of Seafox’s actions | RNS |
| 07/10/20 | 15:02:07 | 7 Oct 2020 | | Seafox Proposal to Re-appoint Director | RNS |
| 07/10/20 | 10:04:02 | 7 Oct 2020 | | Resignation of Seafox Directors | RNS |
| 23/09/20 | 07:00:06 | 23 Sept 2020 | | Receipt of General Meeting Requisition Letter | RNS |
| 21/09/20 | 14:33:17 | 21 Sept 2020 | | Letter from Seafox re Board Composition | RNS |
| 10/08/20 | 16:55:45 | 10 Aug 2020 | | Confirmation regarding appointment of Directors | RNS |
| 04/08/20 | 14:00:02 | 4 Aug 2020 | | Results of Requisitioned General Meeting | RNS |
| 04/08/20 | 07:00:04 | 4 Aug 2020 | | Interim results | RNS |
| 03/08/20 | 12:39:30 | 3 Aug 2020 | | Notice of Interim Results | RNS |
| 30/07/20 | 07:00:09 | 30 Jul 2020 | | Bank Letter re Seafox International Limited | RNS |
| 28/07/20 | 07:00:03 | 28 Jul 2020 | | First deployment of Cantilever Technology | RNS |
| 22/07/20 | 07:00:08 | 22 Jul 2020 | | Appointment of Corporate Broker | RNS |
| 07/07/20 | 17:00:13 | 7 Jul 2020 | | Publication of Shareholder Circular | RNS |
| 30/06/20 | 13:37:08 | 30 Jun 2020 | | Results of Annual General Meeting | RNS |
| 29/06/20 | 07:00:08 | 29 Jun 2020 | | Trading Update | RNS |
| 19/06/20 | 16:40:58 | 19 Jun 2020 | | Second Price Monitoring Extn | RNS |
| 19/06/20 | 16:36:04 | 19 Jun 2020 | | Price Monitoring Extension | RNS |
| 17/06/20 | 16:35:38 | 17 Jun 2020 | | Price Monitoring Extension | RNS |
| 17/06/20 | 09:11:57 | 17 Jun 2020 | | Receipt of General Meeting Requisition from Seafox | RNS |
| 12/06/20 | 07:00:04 | 12 Jun 2020 | | Response to Seafox Request | RNS |
| 10/06/20 | 07:00:07 | 10 Jun 2020 | | New debt structure | RNS |
| 05/06/20 | 16:27:43 | 5 Jun 2020 | | TR-1: Standard form-notification of major holdings | RNS |
| 04/06/20 | 07:00:08 | 4 Jun 2020 | | TR-1: Notification of major holdings | RNS |
| 02/06/20 | 16:40:51 | 2 Jun 2020 | | Second Price Monitoring Extn | RNS |
| 02/06/20 | 16:35:47 | 2 Jun 2020 | | Price Monitoring Extension | RNS |
| 29/05/20 | 07:05:03 | 29 May 2020 | | 2019 ANNUAL REPORT AND NOTICE OF AGM | RNS |
| 29/05/20 | 07:03:02 | 29 May 2020 | | Grant of Director Share Awards | RNS |
| 29/05/20 | 07:00:04 | 29 May 2020 | | Supply Chain & Logistics Framework Agreement | RNS |
| 28/05/20 | 16:36:25 | 28 May 2020 | | Price Monitoring Extension | RNS |
| 28/05/20 | 13:55:47 | 28 May 2020 | | Response to Seafox’s no intention to bid statement | RNS |
| 26/05/20 | 13:51:25 | 26 May 2020 | | New contract win and trading update | RNS |
| 21/05/20 | 07:00:06 | 21 May 2020 | | Increased level of shareholder support | RNS |
| 20/05/20 | 12:05:28 | 20 May 2020 | | Letters of intent - more than 50% of GMS shares | RNS |
| 18/05/20 | 14:01:42 | 18 May 2020 | | Standard form for notification of major holdings | RNS |
| 18/05/20 | 07:00:05 | 18 May 2020 | | Form 8.3 - Gulf Marine Services PLC | RNS |
| 15/05/20 | 15:35:20 | 15 May 2020 | | Form 8.3 - Gulf Marine Services PLC | RNS |
| 14/05/20 | 16:41:17 | 14 May 2020 | | Second Price Monitoring Extn | RNS |
| 14/05/20 | 16:36:41 | 14 May 2020 | | Price Monitoring Extension | RNS |
| 13/05/20 | 07:06:37 | 13 May 2020 | | Increased level of shareholder support | RNS |
| 12/05/20 | 15:00:06 | 12 May 2020 | | PUBLIC OPENING POSITION DISCLOSURE | RNS |